Multiple choice

Solve the series to answer the following question. Series I: 75, 225, 45, 135, 27, 81, 16.2, 48.6 Series II: 250, A, B, C, 90, D, 54, G Note: Both series follow the same pattern. If a new series starts with the value of (A -

  1. 1,800

  2. 1,200

  3. 648

  4. 1,080

  5. 216
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D Correct answer
AI explanation

The first series follows an alternating pattern of multiplying by 3 and dividing by 5. Applying this same pattern to the second series starting at 250, we get A = 750, B = 150, C = 450, and the fifth term is 90. The starting value for the new series is A - B, which equals 750 - 150 = 600. Applying the alternating pattern of multiplying by 3 and dividing by 5 to this new starting value gives the sequence 600, 1800, 360, 1080, making 1080 the fourth term.

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